ChemicalBook--->CAS DataBase List--->34876-35-2

34876-35-2

34876-35-2 Structure

34876-35-2 Structure
IdentificationBack Directory
[Name]

3-Hydroxy-4-Methyl-2(5H)-thiophenone
[CAS]

34876-35-2
[Synonyms]

Cefalexin-EP-Imp-D
Cefalexin Impurity D
cefalexin Impurity G
Cefalexin EP Impurity D
Cephalexin EP Impurity D
Cefadroxil EP Impurity G
Cefalexin Impurity D Control
4-hydroxy-3-methyl-2H-thiophen-5-one
3-Hydroxy-4-methylthiophen-2(5H)-one
Cefalexin Impurity 4(EP Impurity D)
3-Hydroxy-4-Methyl-2(5H)-thiophenone
2(5H)-Thiophenone, 3-hydroxy-4-methyl-
Cefalexin Impurity 4(Cefalexin EP Impurity D)
Cefradine Impurity 6(Cefradine EP Impurity F)
Cephalexin Impurity D (Cefradine EP Impurity F)
Cefadroxil Impurity 2(Cefadroxil EP Impurity G)
Cefadroxil EP Impurity G/Cefradine EP Impurity F
Cefradine EP Impurity F (Cefalexin EP Impurity D)
Cefalexin EP Impurity D (Cefradine EP Impurity F)
Cefadroxil EP Impurity G(Cefradine EP Impurity F/Cefalexin EP Impurity D)
Cefadroxil EP Impurity G (Cephalexin EP Impurity D, Cefradine EP Impurity F)
Cefradine EP Impurity F (Cephalexin EP Impurity D, Cefadroxil EP Impurity G)
Cephalexin EP Impurity D (Cefradine EP Impurity F, Cefadroxil EP Impurity G)
Cefadroxil EP Impurity G (Cefradine EP Impurity F, Cephalexin EP Impurity D)
Cefradine EP Impurity F (Cefadroxil EP Impurity G, Cephalexin EP Impurity D)
Cephalexin Related Compound D (3-Hydroxy-4-methylthiophen-2(5H)-one) (1099041)
Cefradine impurity 4/Cefradine EP Impurity F/3-hydroxy-4-methylthiophen-2(5H)-one
Cephalexin EP Impurity D/Cefradine EP Impurity F/Cefadroxil EP Impurity G/3-hydroxy-4-methylthiophen-2(5H)-one
[Molecular Formula]

C5H6O2S
[MOL File]

34876-35-2.mol
[Molecular Weight]

130.16
Chemical PropertiesBack Directory
[Melting point ]

32-34 °C(Solv: dichloromethane (75-09-2); hexane (110-54-3))
[Boiling point ]

305.9±42.0 °C(Predicted)
[density ]

1.431±0.06 g/cm3(Predicted)
[storage temp. ]

Hygroscopic, Refrigerator, under inert atmosphere
[solubility ]

DMSO (Slightly), Methanol (Slightly)
[form ]

Solid
[pka]

8.96±0.20(Predicted)
[color ]

Light Yellow
Safety DataBack Directory
[HS Code ]

2934990002
Hazard InformationBack Directory
[Uses]

3-Hydroxy-4-methyl-2(5H)-thiophenone (Cefalexin EP Impurity D) is an acid degradation product of Cephalexin (C256800) and Cefaclor (C235250), antibiotics.
[Uses]

3-Hydroxy-4-methyl-2(5H)-thiophenone is an acid degradation product of Cephalexin (C256800) and Cefaclor (C235250), antibiotics.
34876-35-2 suppliers list
Company Name: J & K SCIENTIFIC LTD.  
Telephone: 18210857532 18210857532
Website: https://www.jkchemical.com
Company Name: S.Z. PhyStandard Bio-Tech. Co., Ltd.  
Telephone: 0755-4000505016 13380397412
Website: https://www.sincopharmachem.net
Company Name: Shanghai TaoSu Biochemical Technology Co., Ltd.  
Telephone: 021-33632979
Website: www.tsbiochem.com
Company Name: Quality Control Solutions Ltd.  
Telephone: 0755-66853366 13670046396
Website: www.qcsrm.com
Company Name: Mashilabs (Shanghai) Co.,Ltd.  
Telephone: 19916721580
Website: www.chemicalbook.com/ShowSupplierProductsList16374/0_EN.htm
Company Name: Shandong Boluoda Biological Technology Co., Ltd.  
Telephone: 0531-68651502
Website: boluoda.com/indel.html
Company Name: Shanghai Kewel Chemical Co., Ltd.  
Telephone: 021-64609169 18901607656
Website: http://www.kewelchem.com/
Company Name: Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.  
Telephone: 025-66028182 17714375163
Website: www.aikonchem.com
Company Name: Pharmacodia (Beijing) Co.,Ltd  
Telephone: +86-400-851-9921
Website: www.pharmacodia.com
Company Name: Tonichem Pharmaceutical Technology Co., Ltd.  
Telephone: +86 (0752) 222-7171, +86 15815821171
Website: www.tonichem.com
Company Name: Amadis Chemical Company Limited  
Telephone: 571-89925085
Website: http://www.amadischem.com
Company Name: Shanghai CR Corporation Limited  
Telephone: 13917420128 13062833949
Website: www.crcorporation.cn
Company Name: Shenzhen SUNGENING Bio-Medical Co., Ltd.  
Telephone: 0755-28967200 13631290199
Website: https://sungenmed.com/
Company Name: XinYao(Shenzhen) Biological Technology Co., Ltd.  
Telephone: 0755-89880280
Website: www.xinyaosz.com
Company Name: PI & PI BIOTECH INC.  
Telephone: +86-13602409664 +86-17788709170
Website: www.paypaytech.com/
Company Name: Shenzhen Polymeri Biochemical Technology Co., Ltd.  
Telephone: +86-400-002-6226
Website: https://www.rrkchem.com
Company Name: Shenzhen Botel Biotechnology Co. Ltd.  
Telephone: 13316949107 13316968096
Website: http://www.szbotaier.com/
Company Name: TOSUN PHARM  
Telephone: 020-66392521-118 18922260391
Website: www.toref.cn/
Tags:34876-35-2 Related Product Information
147103-93-3 37050-97-8 26531-82-8 59865-11-1 182290-77-3 875-74-1 53994-69-7 79750-46-2 147103-95-5 56193-21-6 146794-70-9 150870-62-5 37051-00-6 147103-94-4 142975-48-2 72528-40-6 22252-43-3 34632-04-7